The correct answer is 12
Set up a ratio and then solve. See paper attached. (:
 
        
             
        
        
        
Answer:
b
Step-by-step explanation:
 
        
             
        
        
        
He needs 25 cm^3 of sand 
good luck
        
             
        
        
        
The last graph provided is the correct one. With points (-1,-3) (-3,0) (-3,-3)
        
             
        
        
        
Answer:
90%
Step-by-step explanation:
convert the fraction know as a ratio to get 90%